Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:37:32 2013 Optimize a model with 150000 rows, 225002 columns and 300000 nonzeros Model has 75000 quadratic constraints Presolve time: 0.18s Presolved: 150000 rows, 225002 columns, 300000 nonzeros Presolved model has 75000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.250e+05 Factor NZ : 5.250e+05 (roughly 160 MBytes of memory) Factor Ops : 1.875e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.35076821e+07 0.00000000e+00 1.40e-11 5.02e-01 2.92e+02 0s 1 1.29316013e+07 2.66101777e+06 5.05e-07 4.58e-05 4.56e+01 1s 2 9.71198010e+06 7.74003139e+06 7.25e-08 2.72e-06 8.76e+00 1s 3 8.93158050e+06 8.55419268e+06 1.59e-08 3.26e-07 1.68e+00 2s 4 8.73976602e+06 8.64914452e+06 3.39e-09 8.03e-08 4.03e-01 2s 5 8.68665321e+06 8.67297737e+06 2.28e-10 2.12e-08 6.08e-02 2s 6 8.68397556e+06 8.68214101e+06 9.11e-11 9.53e-11 8.15e-03 2s 7 8.68225096e+06 8.68218051e+06 2.05e-12 7.01e-12 3.13e-04 3s 8 8.68221364e+06 8.68219145e+06 6.89e-13 6.68e-12 9.86e-05 3s 9 8.68220593e+06 8.68219298e+06 4.26e-13 5.75e-12 5.76e-05 3s 10 8.68219664e+06 8.68219466e+06 8.53e-14 2.88e-12 8.81e-06 4s Barrier solved model in 10 iterations and 3.71 seconds Optimal objective 8.68219664e+06